References
Acosta-Motos J.R., Rothwell S.A., Massam M.J., Albacete A., Zhang H. & Dodd I.C. (2020) Alternate wetting and drying irrigation increases water and phosphorus use efficiency independent of substrate phosphorus status of vegetative rice plants. Plant Physiology and Biochemistry155 , 914–926.
Ahmadi N., Audebert A., Bennett M.J., Bishopp A., de Oliveira A., Courtois B., … Xu J. (2014) The roots of future rice harvests.Rice 7 , 29.
Amelework B.A., Shimelis H.A., Tongoona P., Mengistu F., Laing M.D. & Ayele D.G. (2016) Sorghum production systems and constraints, and coping strategies under drought-prone agro-ecologies of Ethiopia. South African Journal of Plant and Soil 33 , 207–217.
Araus V., Swift J., Alvarez J.M., Henry A. & Coruzzi G.M. (2020) A balancing act: How plants integrate nitrogen and water signals.Journal of Experimental Botany 71 , 4442–4451.
Bailey-Serres J., Parker J.E., Ainsworth E.A., Oldroyd G.E.D. & Schroeder J.I. (2019) Genetic strategies for improving crop yields.Nature 575 , 109–118.
Bandyopadhyay P.K., Singh K.C., Mondal K., Nath R., Ghosh P.K., Kumar N., … Singh S.S. (2016) Effects of stubble length of rice in mitigating soil moisture stress and on yield of lentil (Lens culinaris Medik) in rice-lentil relay crop. Agricultural Water Management173 , 91–102.
Bates T.R. & Lynch J.P. (2001) Root hairs confer a competitive advantage under low phosphorus availability. Plant and Soil236 , 243–250.
De Bauw P., Mai T.H., Schnepf A., Merckx R., Smolders E. & Vanderborght J. (2020) A functional-structural model of upland rice root systems reveals the importance of laterals and growing root tips for phosphate uptake from wet and dry soils. Annals of Botany 126 , 789–806.
Beebe S. (2012) Common bean breeding in the tropics. Plant Breeding Reviews 36 .
Benes B., Guan K., Lang M., Long S.P., Lynch J.P., Marshall-Colón A., … Turk M.J. (2020) Multiscale computational models can guide experimentation and targeted measurements for crop improvement.Plant Journal 103 , 21–31.
Bernardino K.C., Pastina M.M., Menezes C.B., De Sousa S.M., MacIel L.S., Geraldo Carvalho G.C., … Magalhaes J. V. (2019) The genetic architecture of phosphorus efficiency in sorghum involves pleiotropic QTL for root morphology and grain yield under low phosphorus availability in the soil. BMC Plant Biology 19 , 1–15.
Bhosale R., Giri J., Pandey B.K., Giehl R.F.H., Hartmann A., Traini R., … Swarup R. (2018) A mechanistic framework for auxin dependent Arabidopsis root hair elongation to low external phosphate. Nature Communications 9 , 1–9.
Bhuiyan S.I. (1992) Water management in relation to crop production: case study on rice. Outlook on Agriculture 21 , 293–299.
Borrell A.K., Mullet J.E., George-Jaeggli B., Van Oosterom E.J., Hammer G.L., Klein P.E. & Jordan D.R. (2014) Drought adaptation of stay-green sorghum is associated with canopy development, leaf anatomy, root growth, and water uptake. Journal of Experimental Botany65 , 6251–6263.
Boudreau M.A. (2013) Diseases in intercropping systems. Annual Review of Phytopathology 51 , 499–519.
Bouman B. a. M. & Tuong T.P. (2001) Field water mangement to save water and increase its productivity in irrigated lowland rice.Agricultural Water Management 1615 , 1–20.
Bouman B.A.M., Peng S., Castañeda A.R. & Visperas R.M. (2005) Yield and water use of irrigated tropical aerobic rice systems. Agricultural Water Management 74 , 87–105.
vom Brocke K., Trouche G., Weltzien E., Barro-Kondombo C.P., Gozé E. & Chantereau J. (2010) Participatory variety development for sorghum in Burkina Faso: Farmers’ selection and farmers’ criteria. Field Crops Research 119 , 183–194.
Brooker R.W., Bennett A.E., Cong W.F., Daniell T.J., George T.S., Hallett P.D., … White P.J. (2015) Improving intercropping: A synthesis of research in agronomy, plant physiology and ecology.New Phytologist 206 .
Brown L.K., George T.S., Neugebauer K. & White P.J. (2017) The rhizosheath – a potential trait for future agricultural sustainability occurs in orders throughout the angiosperms. Plant and Soil418 , 115–128.
Burridge J., Jochua C.N., Bucksch A. & Lynch J.P. (2016) Legume shovelomics: High-Throughput phenotyping of common bean (Phaseolus vulgaris L.) and cowpea (Vigna unguiculata subsp, unguiculata) root architecture in the field. Field Crops Research 192 , 21–32.
Burridge J.D., Findeis J.L., Jochua C.N., Miguel M.A., Mubichi-Kut F.M., Quinhentos M.L., … Lynch J.P. (2019) A case study on the efficacy of root phenotypic selection for edaphic stress tolerance in low-input agriculture: Common bean breeding in Mozambique. Field Crops Research 244 , 107612.
Burridge J.D., Rangarajan H. & Lynch J.P. (2020) Comparative phenomics of annual grain legume root architecture. Crop Science60 , 2574–2593.
Burton A.L., Brown K.M. & Lynch J.P. (2013) Phenotypic diversity of root anatomical and architectural traits in Zea species. Crop Science 53 , 1042–1055.
Carrijo D.R., Lundy M.E. & Linquist B.A. (2017) Rice yields and water use under alternate wetting and drying irrigation: A meta-analysis.Field Crops Research 203 , 173–180.
Chareesri A., De Deyn G.B., Sergeeva L., Polthanee A. & Kuyper T.W. (2020) Increased arbuscular mycorrhizal fungal colonization reduces yield loss of rice (Oryza sativa L.) under drought. Mycorrhiza30 , 315–328.
Chimungu J.G., Brown K.M. & Lynch J.P. (2014a) Large root cortical cell size improves drought tolerance in maize (Zea mays L.). Plant Physiology 166 , 2166–2178.
Chimungu J.G., Brown K.M. & Lynch J.P. (2014b) Reduced Root Cortical Cell File Number Improves Drought Tolerance in Maize. Plant Physiology 166 , 1943–1955.
Chimungu J.G., Maliro M.F.A., Nalivata P.C., Kanyama-Phiri G., Brown K.M. & Lynch J.P. (2015) Utility of root cortical aerenchyma under water limited conditions in tropical maize (Zea mays L.). Field Crops Research 171 , 86–98.
Chopart J.L., Sine B., Dao A. & Muller B. (2008) Root orientation of four sorghum cultivars: Application to estimate root length density from root counts in soil profiles. Plant Root 2 , 67–75.
Connolly J., Goma H.C. & Rahim K. (2001) The information content of indicators in intercropping research. Agriculture, Ecosystems and Environment 87 , 191–207.
Cook S.M., Khan Z.R. & Pickett J.A. (2007) The use of push-pull strategies in integrated pest management. Annual Review of Entomology 52 , 375–400.
Dai J., Qiu W., Wang N., Wang T., Nakanishi H. & Zuo Y. (2019) From leguminosae/gramineae intercropping systems to see benefits of intercropping on iron nutrition. Frontiers in Plant Science10 , 1–7.
Diedhiou A.G., Mbaye F.K., Mbodj D., Faye M.N., Pignoly S., Ndoye I., … Champion A. (2016) Field trials reveal ecotype-specific responses to mycorrhizal inoculation in rice. PLoS ONE11 , 1–17.
Djaman K., Mel V., Ametonou F., El-Namaky R., Diallo M. & Koudahe K. (2018) Effect of Nitrogen Fertilizer Dose and Application Timing on Yield and Nitrogen Use Efficiency of Irrigated Hybrid Rice under Semi-Arid Conditions. Journal of Agricultural Science and Food Research 9 , 1–7.
Duell R.W. & Peacock G.R. (1985) Rhizosheaths on Mesophytic Grasses 1 .Crop Science 25 , 880–883.
Van Duivenbooden N., Pala M., Studer C., Bielders C.L. & Beukes D.J. (2000) Cropping systems and crop complementarity in dryland agriculture to increase soil water use efficiency: A review. Netherlands Journal of Agricultural Science 48 , 213–236.
ECOWAS (2019) Ecowas Commission - Directorate of agriculture and rural development . (ed The ECOWAS Rice Factbook),.
Elbehri A., Kaminski J., Koroma S., Iafrate M. & Benali M. (2013) West Africa staple food systems: An overview of trends and indicators of demand, supply, and competitiveness of staple food value chains. InRebuilding West Africa’s food potential , A. Elbehri. (ed FAO/IFAD), pp. 1–42.
van Etten J., de Sousa K., Aguilar A., Barrios M., Coto A., Dell’Acqua M., … Steinke J. (2019) Crop variety management for climate adaptation supported by citizen science. Proceedings of the National Academy of Sciences of the United States of America116 , 4194–4199.
FAO (2012) Localized fertilization at crop seeding or microdosing. pp. 1–4.
FAOSTAT (2007) Food and Agriculture Organization of the United Nation.Database. Available at: http://www.fao.org/faostat/en/#data .
Food and Agriculture Organization of the United Nation [FAO] (2014) FAOSTAT. Database. Available at : http://faostat3.fao.org/browse/Q/*/E .
Faye A., Sine B., Chopart J.-L., Grondin A., Lucas M., Diedhiou A.G., … Laplaze L. (2019) Development of a model estimating root length density from root impacts on a soil profile in pearl millet (Pennisetum glaucum (L.) R. Br). Application to measure root system response to water stress in field conditions. Plos One 14 , e0214182.
Félix G.F., Scholberg J.M.S., Clermont-Dauphin C., Cournac L. & Tittonell P. (2018) Enhancing agroecosystem productivity with woody perennials in semi-arid West Africa. A meta-analysis. Agronomy for Sustainable Development 38 .
Fess T.L., Kotcon J.B. & Benedito V.A. (2011) Crop breeding for low input agriculture: A sustainable response to feed a growing world population. Sustainability 3 , 1742–1772.
Fromm H. (2019) Root plasticity in the pursuit of water. Plants8 .
Gahoonia T.S. & Nielsen N.E. (2003) Phosphorus (P) uptake and growth of a root hairless barley mutant (bald root barley, brb) and wild type in low- and high-P soils. Plant, Cell and Environment 26 , 1759–1766.
Gamuyao R., Chin J.H., Pariasca-Tanaka J., Pesaresi P., Catausan S., Dalid C., … Heuer S. (2012) The protein kinase Pstol1 from traditional rice confers tolerance of phosphorus deficiency.Nature 488 , 535–539.
Gao Y. & Lynch J.P. (2016) Reduced crown root number improves water acquisition under water deficit stress in maize (Zea mays L.): Supplemental material. Journal of Experimental Botany67 , 4545–4557.
Gemenet D.C., Leiser W.L., Beggi F., Herrmann L.H., Vadez V., Rattunde H.F.W., … Haussmann B.I.G. (2016) Overcoming phosphorus deficiency overcoming phosphorus deficiency in West African pearl millet and sorghum production systems: Promising options for crop improvement.Frontiers in Plant Science 7 , 1–10.
Gionfriddo M., De Gara L. & Loreto F. (2019) Directed Evolution of Plant Processes: Towards a Green (r)Evolution? Trends in Plant Science 24 , 999–1007.
Grondin A., Mauleon R., Vadez V. & Henry A. (2016) Root aquaporins contribute to whole plant water fluxes under drought stress in rice (Oryza sativa L.). Plant, Cell and Environment 39 .
Haling R.E., Brown L.K., Bengough A.G., Young I.M., Hallett P.D., White P.J. & George T.S. (2013) Root hairs improve root penetration, root-soil contact, and phosphorus acquisition in soils of different strength. Journal of Experimental Botany 64 , 3711–3721.
Hanlon M.T., Ray S., Saengwilai P., Luthe D., Lynch J.P. & Brown K.M. (2018) Buffered delivery of phosphate to Arabidopsis alters responses to low phosphate. Journal of Experimental Botany 69 , 1207–1219.
Harris D. & Natarajan M. (1987) Physiological basis for yield advantage in a sorghum/groundnut intercrop exposed to drought. 2. Plant Temperature, water status, and components of yield. Field Crops Research 17 , 273–288.
Henry A., Cal A.J., Batoto T.C., Torres R.O. & Serraj R. (2012) Root attributes affecting water uptake of rice (Oryza sativa) under drought.Journal of Experimental Botany 63 , 4751–4763.
Henry A., Chaves N.F., Kleinman P.J.A. & Lynch J.P. (2010) Will nutrient-efficient genotypes mine the soil? Effects of genetic differences in root architecture in common bean (Phaseolus vulgaris L.) on soil phosphorus depletion in a low-input agro-ecosystem in Central America. Field Crops Research 115 , 67–78.
Henry A., Kleinman P.J.A. & Lynch J.P. (2009) Phosphorus runoff from a phosphorus deficient soil under common bean (Phaseolus vulgaris L.) and soybean (Glycine max L.) genotypes with contrasting root architecture.Plant and Soil 317 , 1–16.
Ho M.D., Rosas J.C., Brown K.M. & Lynch J.P. (2005) Root architectural tradeoffs for water and phosphorus acquisition. Functional Plant Biology 32 , 737–748.
Huang R., Li Z., Mao C., Zhang H., Sun Z., Li H., … Duanmu D. (2020) Natural variation at OsCERK1 regulates arbuscular mycorrhizal symbiosis in rice. New Phytologist 225 , 1762–1776.
Humphries S., Rosas J.C., Gómez M., Jiménez J., Sierra F., Gallardo O., … Barahona M. (2015) Synergies at the interface of farmer-scientist partnerships: Agricultural innovation through participatory research and plant breeding in Honduras. Agriculture and Food Security 4 , 1–17.
Iqbal M.A., Hamid A., Ahmad T., Siddiqui M.H., Hussain I., Ali S., … Ahmad Z. (2019) Forage sorghum-legumes intercropping: Effect on growth, yields, nutritional quality and economic returns.Bragantia 78 , 82–95.
Jaffuel S., vom Brocke K., Hamadou T.V.C., Dardou A., Vidal A. & Trouche G. (2016) Anatomical features of an African sorghum landrace adapted to flooded conditions. Australian Journal of Crop Science10 , 1489–1495.
Jagadish S.V.K., Murty M.V.R. & Quick W.P. (2015) Rice responses to rising temperatures - challenges, perspectives and future directions.Plant, Cell and Environment 38 , 1686–1698.
Jaramillo R.E., Nord E.A., Chimungu J.G., Brown K.M. & Lynch J.P. (2013) Root cortical burden influences drought tolerance in maize.Annals of Botany 112 , 429–437.
Jochua C.N., Strock C.F. & Lynch J.P. (2020) Root phenotypic diversity in common bean reveals contrasting strategies for soil resource acquisition among gene pools and races. Crop Science 60 , 3261–3277.
Johnson M., Hazell P. & Gulati A. (2003) The role of intermediate factor markets in Asia’s Green Revolution: Lessons for Africa?American Journal of Agricultural Economics 85 , 1211–1216.
Jones A., Breuning-Madsen H., Brossard M., Dampha A., Deckers J., Dewitte O., … Zougmoré R. (2013) Soil Atlas of Africa.ISSN: 1018-5593 .
Joshi D., Singh V., van Oosterom E., Mace E., Jordan D. & Hammer G. (2016) Genetic Manipulation of Root System Architecture to Improve Drought Adaptation in Sorghum. 207–226.
Joshi D.C., Singh V., Hunt C., Mace E., van Oosterom E., Sulman R., … Hammer G. (2017) Development of a phenotyping platform for high throughput screening of nodal root angle in sorghum. Plant Methods 13 , 1–12.
Kadam N.N., Yin X., Bindraban P.S., Struik P.C. & Jagadish K.S.V. (2015) Does Morphological and Anatomical Plasticity during the Vegetative Stage Make Wheat More Tolerant of Water Deficit Stress Than Rice? Plant Physiology 167 , 1389–1401.
Karthika G., Kholova J., Alimagham S., Ganesan M., Chadalavada K., Kumari R. & Vadez V. (2019) Measurement of transpiration restriction under high vapor pressure deficit for sorghum mapping population parents. Plant Physiology Reports 24 , 74–85.
Kholová J., Hash C.T., Kumar P.L., Yadav R.S., Kocová M. & Vadez V. (2010) Terminal drought-tolerant pearl millet [Pennisetum glaucum (L.) R. Br.] have high leaf ABA and limit transpiration at high vapour pressure deficit. Journal of experimental botany 61 , 1431–40.
Klein S.P., Schneider H.M., Perkins A.C., Brown K.M. & Lynch J.P. (2020) Multiple integrated root phenotypes are associated with improved drought tolerance. Plant Physiology 183 , 1011–1025.
Kreye C., Bouman B.A.M., Reversat G., Fernandez L., Vera Cruz C., Elazegui F., … Llorca L. (2009) Biotic and abiotic causes of yield failure in tropical aerobic rice. Field Crops Research112 , 97–106.
de la Fuente Cantó C., Simonin M., King E., Moulin L., Bennett M.J., Castrillo G. & Laplaze L. (2020) An extended root phenotype: the rhizosphere, its formation and impacts on plant fitness. Plant Journal 103 , 951–964.
Lefebvre B. (2020) An opportunity to breed rice for improved benefits from the
FAO (2012) Localized fertilization at crop seeding or microdosing. pp. 1–4.
FAOSTAT (2007) Food and Agriculture Organization of the United Nation.Database. Available at: http://www.fao.org/faostat/en/#data .
Food and Agriculture Organization of the United Nation [FAO] (2014) FAOSTAT. Database. Available at : http://faostat3.fao.org/browse/Q/*/E .
arbuscular mycorrhizal symbiosis? New Phytologist 225 , 1404–1406.
Li Z., Li Z., Letuma P., Zhao H., Zhang Z., Lin W., … Lin W. (2018) A positive response of rice rhizosphere to alternate moderate wetting and drying irrigation at grain filling stage. Agricultural Water Management 207 , 26–36.
Linquist B.A., Anders M.M., Adviento-Borbe M.A.A., Chaney R.L., Nalley L.L., da Rosa E.F.F. & van Kessel C. (2015) Reducing greenhouse gas emissions, water use, and grain arsenic levels in rice systems.Global Change Biology 21 , 407–417.
Lithourgidis A.S., Dordas C.A., Damalas C.A. & Vlachostergios D.N. (2011) Annual intercrops: An alternative pathway for sustainable agriculture. Australian Journal of Crop Science 5 , 396–410.
Lynch J.P. (2007) Turner review no. 14. Roots of the second green revolution. Australian Journal of Botany 55 , 493–512.
Lynch J.P. (2011) Root phenes for enhanced soil exploration and phosphorus acquisition: Tools for future crops. Plant Physiology156 , 1041–1049.
Lynch J.P. (2013) Steep, cheap and deep: An ideotype to optimize water and N acquisition by maize root systems. Annals of Botany112 , 347–357.
Lynch J.P. (2018) Rightsizing root phenotypes for drought resistance.Journal of Experimental Botany 69 , 3279–3292.
Lynch J.P. (2019) Root phenotypes for improved nutrient capture: an underexploited opportunity for global agriculture .
Lynch J.P. & Ho M.D. (2005) Rhizoeconomics: Carbon costs of phosphorus acquisition. Plant and Soil 269 , 45–56.
Ma Z., Walk T.C., Marcus A. & Lynch J.P. (2001) Morphological synergism in root hair length, density, initiation and geometry for phosphorus acquisition in Arabidopsis thaliana: A modeling approach. Plant and Soil 236 , 221–235.
Mace E.S., Singh V., van Oosterom E.J., Hammer G.L., Hunt C.H. & Jordan D.R. (2012) QTL for nodal root angle in sorghum (Sorghum bicolor L. Moench) co-locate with QTL for traits associated with drought adaptation. Theoretical and Applied Genetics 124 , 97–109.
Matlon P.J. (1990) Improving productivity in sorghum and pearl millet in semi-arid Africa. Food Research Institute Studies 22 .
Matsunami M., Matsunami T. & Kokubun M. (2009) Growth and yield of new rice for africa (NERICAs) under different ecosystems and nitrogen levels. Plant Production Science 12 , 381–389.
Matsuo N. & Mochizuki T. (2009) Growth and yield of six rice cultivars under three water-saving cultivations. Plant Production Science12 , 514–525.
Mbodj D., Effa-Effa B., Kane A., Manneh B., Gantet P., Laplaze L., … Grondin A. (2018) Arbuscular mycorrhizal symbiosis in rice: Establishment, environmental control and impact on plant growth and resistance to abiotic stresses. Rhizosphere 8 , 12–26.
Meena R.K., Bhusal N., Kumar K., Jain R. & Jain S. (2019) Intervention of molecular breeding in water saving rice production system: aerobic rice. 3 Biotech 9 , 1–12.
Miguel M.A., Postma J.A. & Lynch J.P. (2015) Phene synergism between root hair length and basal root growth angle for phosphorus Acquisition.Plant Physiology 167 , 1430–1439.
Miguel M.A., Widrig A., Vieira R.F., Brown K.M. & Lynch J.P. (2013) Basal root whorl number: A modulator of phosphorus acquisition in common bean (Phaseolus vulgaris). Annals of Botany 112 , 973–982.
Ndour A., Pradal C. & Lucas M. (2017a) Virtual Plants Need Water Too : Functional-Structural Root System Models in the Context of Drought Tolerance Breeding. 8 , 1–21.
Ndour P.M.S., Barry C.M., Tine D., De la Fuente Cantó C., Gueye M., Barakat M., … Cournac L. (2021) Pearl millet genotype impacts microbial diversity and enzymatic activities in relation to root-adhering soil aggregation. Plant and Soil .
Ndour P.M.S., Gueye M., Barakat M., Ortet P., Bertrand-Huleux M., Pablo A.-L., … Cournac L. (2017b) Pearl Millet Genetic Traits Shape Rhizobacterial Diversity and Modulate Rhizosphere Aggregation.Frontiers in Plant Science 8 , 1–14.
Ndour P.M.S., Heulin T., Achouak W., Laplaze L. & Cournac L. (2020) The rhizosheath: from desert plants adaptation to crop breeding. Plant and Soil 456 , 1–13.
Nelson W.C.D., Hoffmann M.P., Vadez V., Roetter R.P. & Whitbread A.M. (2018) Testing pearl millet and cowpea intercropping systems under high temperatures. Field Crops Research 217 , 150–166.
Netzly D.H. & Butler L.G. (1986) Roots of Sorghum Exude Hydrophobic Droplets Containing Biologically Active Components 1 . Crop Science 26 , 775–778.
Nie L., Peng S., Chen M., Shah F., Huang J., Cui K. & Xiang J. (2012) Aerobic rice for water-saving agriculture. A review. Agronomy for Sustainable Development 32 , 411–418.
Van Oosterom E.J., Yang Z., Zhang F., Deifel K.S., Cooper M., Messina C.D. & Hammer G.L. (2016) Hybrid variation for root system efficiency in maize: Potential links to drought adaptation. Functional Plant Biology 43 , 502–511.
Pan Z., Baerson S.R., Wang M., Bajsa-Hirschel J., Rimando A.M., Wang X., … Duke S.O. (2018) A cytochrome P450 CYP71 enzyme expressed in Sorghum bicolor root hair cells participates in the biosynthesis of the benzoquinone allelochemical sorgoleone. New Phytologist218 , 616–629.
Passot S., Gnacko F., Moukouanga D., Lucas M., Guyomarc’h S., Ortega B.M., … Laplaze L. (2016) Characterization of Pearl Millet Root Architecture and Anatomy Reveals Three Types of Lateral Roots.Frontiers in plant science 7 , 829.
Passot S., Moreno-Ortega B., Moukouanga D., Balsera C., Guyomarc’h S., Lucas M., … Guédon Y. (2018) A new phenotyping pipeline reveals three types of lateral roots and a random branching pattern in two cereals. Plant Physiology 177 , 896–910.
Peng S., Bouman B., Visperas R.M., Castañeda A., Nie L. & Park H.K. (2006) Comparison between aerobic and flooded rice in the tropics: Agronomic performance in an eight-season experiment. Field Crops Research 96 , 252–259.
Pingali P.L. (2012) Green Revolution: Impacts, limits, and the path ahead. Proceedings of the National Academy of Sciences109 , 12302–12308.
Postma J.A., Kuppe C., Owen M.R., Mellor N., Griffiths M., Bennett M.J., … Watt M. (2017) OpenSimRoot: widening the scope and application of root architectural models. New Phytologist 215 , 1274–1286.
Postma J.A. & Lynch J.P. (2012) Complementarity in root architecture for nutrient uptake in ancient maize/bean and maize/bean/squash polycultures. Annals of botany 110 , 521–534.
Prieto I., Armas C. & Pugnaire F.I. (2012) Water release through plant roots: New insights into its consequences at the plant and ecosystem level. New Phytologist 193 , 830–841.
Promkhambut A., Polthanee A., Akkasaeng C. & Younger A. (2011) Growth, yield and aerenchyma formation of sweet and multipurpose sorghum (Sorghum bicolor L. Moench) as affected by flooding at different growth stages. Australian Journal of Crop Science 5 , 954–965.
Ratnadass A., Fernandes P., Avelino J. & Habib R. (2012) Plant species diversity for sustainable management of crop pests and diseases in agroecosystems: A review. Agronomy for Sustainable Development32 .
Rebouillat J., Dievart A., Verdeil J.L., Escoute J., Giese G., Breitler J.C., … Périn C. (2009) Molecular genetics of rice root development. Rice 2 , 15–34.
Reddy P.S., Tharanya M., Sivasakthi K., Srikanth M., Hash C.T., Kholova J., … Vadez V. (2017) Molecular cloning and expression analysis of Aquaporin genes in pearl millet [Pennisetum glaucum (L) R. Br.] genotypes contrasting in their transpiration response to high vapour pressure deficits. Plant Science 265 , 167–176.
Reynolds M., Atkin O.K., Bennett M., Cooper M., Dodd I.C., Foulkes M.J., … Wittich P.E. (2021) Addressing Research Bottlenecks to Crop Productivity. Trends in plant science 26 , 607–630.
Richards R.A. & Passioura J.B. (1989) A breeding program to reduce the diameter of the major xylem vessel in the seminal roots of wheat and its effect on grain yield in rain-fed environments. Australian Journal of Agricultural Research 40 , 943–950.
Rongsawat T., Peltier J.B., Boyer J.C., Véry A.A. & Sentenac H. (2021) Looking for Root Hairs to Overcome Poor Soils. Trends in Plant Science 26 , 83–94.
Rostamza M., Richards R.A. & Watt M. (2013) Response of millet and sorghum to a varying water supply around the primary and nodal roots.Annals of Botany 112 , 439–446.
Ryan S.F., Adamson N.L., Aktipis A., Andersen L.K., Austin R., Barnes L., … Dunn R.R. (2018) The role of citizen science in addressing grand challenges in food and agriculture research. Proceedings of the Royal Society B: Biological Sciences 285 .
Salih A.A., Ali I.A., Lux A., Luxova M., Cohen Y., Sugimoto Y. & Inanaga S. (1999) Rooting, water uptake, and xylem structure adaptation to drought of two sorghum cultivars. Crop Science 39 , 168–173.
Sandhu N., Dixit S., Swamy B.P.M., Raman A., Kumar S., Singh S.P., … Kumar A. (2019) Marker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone Areas. Rice12 .
Sandhu N., Raman K.A., Torres R.O., Audebert A., Dardou A., Kumar A. & Henry A. (2016) Rice root architectural plasticity traits and genetic regions for adaptability to variable cultivation and stress conditions.Plant Physiology , pp.00705.2016.
Sandhu N., Subedi S.R., Yadaw R.B., Chaudhary B., Prasai H., Iftekharuddaula K., … Kumar A. (2017) Root traits enhancing rice grain yield under alternate wetting and drying condition.Frontiers in Plant Science 31 , 1879.
Sasaki Y., Hosen Y., Peng S., Nie L., Rodriguez R., Agbisit R., … Bouman B.A.M. (2010) Do abiotic factors cause a gradual yield decline under continuous aerobic rice cultivation? A pot experiment with affected field soils. Soil Science and Plant Nutrition56 , 476–482.
Schneider H.M. & Lynch J.P. (2020) Should Root Plasticity Be a Crop Breeding Target? Frontiers in Plant Science 11 , 1–16.
Schröder D. & Köpke U. (2012) Faba bean (Vicia faba L.) intercropped with oil crops - a strategy to enhance rooting density and to optimize nitrogen use and grain production? Field Crops Research135 , 74–81.
Sebastian J., Yee M.-C., Goudinho Viana W., Rellán-Álvarez R., Feldman M., Priest H.D., … Dinneny J.R. (2016) Grasses suppress shoot-borne roots to conserve water during drought. Proceedings of the National Academy of Sciences 113 , 8861–8866.
Sheahan M. & Barrett C.B. (2017) Ten striking facts about agricultural input use in Sub-Saharan Africa. Food Policy 67 , 12–25.
Shekoofa A. & Sinclair T. (2018) Aquaporin activity to improve crop drought tolerance. Cells 7 , 123.
Sinclair T.R. (2005) Theoretical analysis of soil and plant traits influencing daily plant water flux on drying soils. Agronomy Journal 97 , 1148–1152.
Sinclair T.R., Devi J., Shekoofa A., Choudhary S., Sadok W., Vadez V., … Rufty T. (2017) Limited-transpiration response to high vapor pressure deficit in crop species. Plant Science 260 , 109–118.
Singh V., van Oosterom E.J., Jordan D.R., Messina C.D., Cooper M. & Hammer G.L. (2010) Morphological and architectural development of root systems in sorghum and maize. Plant and Soil 333 , 287–299.
Smith J., Pearce B.D. & Wolfe M.S. (2013) Reconciling productivity with protection of the environment: Is temperate agroforestry the answer?Renewable Agriculture and Food Systems 28 , 80–92.
Strock C.F., Burridge J., Massas A.S.F., Beaver J., Beebe S., Camilo S.A., … Lynch J.P. (2019) Seedling root architecture and its relationship with seed yield across diverse environments in Phaseolus vulgaris. Field Crops Research 237 , 53–64.
Strock C.F., Burridge J.D., Niemiec M.D., Brown K.M. & Lynch J.P. (2020) Root metaxylem and architecture phenotypes integrate to regulate water use under drought stress. Plant Cell and Environment44 , 49–67.
Sultan B., Defrance D. & Iizumi T. (2019) Evidence of crop production losses in West Africa due to historical global warming in two crop models. Scientific Reports 9 , 1–15.
Tan X., Shao D., Liu H., Yang F., Xiao C. & Yang H. (2013) Effects of alternate wetting and drying irrigation on percolation and nitrogen leaching in paddy fields. Paddy and Water Environment11 , 381–395.
Tharanya M., Kholova J., Sivasakthi K., Seghal D., Hash C.T., Raj B., … Vadez V. (2018) Quantitative trait loci (QTLs) for water use and crop production traits co-locate with major QTL for tolerance to water deficit in a fine-mapping population of pearl millet (Pennisetum glaucum L. R.Br.). Theoretical and Applied Genetics 131 , 1509–1529.
Tsuji W., Inanaga S., Araki H., Morita S., An P. & Sonobe K. (2005) Development and distribution of root system in two grain sorghum cultivars originated from Sudan under drought stress. Plant Production Science 8 , 553–562.
Vadez V. (2014) Root hydraulics: The forgotten side of roots in drought adaptation. Field Crops Research 165 , 15–24.
Vadez V., Kholova J., Medina S., Kakkera A. & Anderberg H. (2014) Transpiration efficiency: New insights into an old story. Journal of Experimental Botany 65 , 6141–6153.
Vadez V., Kholová J., Yadav R.S. & Hash C.T. (2013) Small temporal differences in water uptake among varieties of pearl millet (Pennisetum glaucum (L.) R. Br.) are critical for grain yield under terminal drought. Plant and Soil 371 , 447–462.
Vallino M., Fiorilli V. & Bonfante P. (2014) Rice flooding negatively impacts root branching and arbuscular mycorrhizal colonization, but not fungal viability. Plant, Cell and Environment 37 , 557–572.
Vieira R.F., Jochua C.N. & Lynch J.P. (2007) Method for evaluation of root hairs of common bean genotypes. Pesquisa Agropecuaria Brasileira 42 , 1365–1368.
Wang Z., Zhang W., Beebout S.S., Zhang H., Liu L., Yang J. & Zhang J. (2016) Grain yield, water and nitrogen use efficiencies of rice as influenced by irrigation regimes and their interaction with nitrogen rates. Field Crops Research 193 , 54–69.
Wortmann C.S., Kirkby R.A., Eledu C.A. & Allen D.J. (1998) Atlas of common bean (Phaseolus vulgaris L.) production in Africa , CIAT publication. CIAT publication, Cali, Colombia.
Xue Y., Xia H., Christie P., Zhang Z., Li L. & Tang C. (2016) Crop acquisition of phosphorus , iron and zinc from soil in cereal / legume intercropping systems : a critical review. 363–377.
Yan X., Liao H., Beebe S.E., Blair M.W. & Lynch J.P. (2004) QTL mapping of root hair and acid exudation traits and their relationship to phosphorus uptake in common bean. Plant and Soil 265 , 17–29.
York L.M., Carminati A., Mooney S.J., Ritz K. & Bennett M.J. (2016) The holistic rhizosphere: Integrating zones, processes, and semantics in the soil influenced by roots. Journal of Experimental Botany67 , 3629–3643.
York L.M., Nord E.A. & Lynch J.P. (2013) Integration of root phenes for soil resource acquisition. Frontiers in Plant Science 4 , 1–15.
Zhan A., Schneider H. & Lynch J.P. (2015) Reduced Lateral Root Branching Density Improves Drought Tolerance in Maize. Plant physiology 168 , 1603–15.
Zhang S., Guo X., Yun W., Xia Y., You Z. & Rillig M.C. (2020) Arbuscular mycorrhiza contributes to the control of phosphorus loss in paddy fields. Plant and Soil 447 , 623–636.
Zhu J., Brown K.M. & Lynch J.P. (2010) Root cortical aerenchyma improves the drought tolerance of maize (Zea mays L.). Plant, Cell and Environment 33 , 740–749.
Zhu Y., Chen H., Fan J., Wang Y., Li Y., Chen J., … Mundt C.C. (2000) Genetic diversity and disease control in rice. Nature406 , 718–722.
Table 1. Summary of yield and income impact of P efficient varieties. Fixed costs of production mean twice as much yield has more than twice as much impact on income. Data from documents submitted to Mozambican Seed Release committee.